I never questioned that.
As the other poster already said, it's time to role the restore from the backup.
Just an aside,
if you (the thread issuer) like me have your filesystems on LVM volumes (yes I do have a separate lv_usr)
there is a neat feature that can be used for rolling back quickly from an unfortunate experiment like yours without even rolling a regular backup.
Before I do such dubious recursive substitutions I just would create a snapshot volume of the affected LV like
Above I only created a snapshot of 88 MB of the 5 GB /usr volume because I hadn't any more free PEs in my vgfc.
Normally, one would adapt this to the size of the snapped of LV and the anticipated amount of changes during the period one would possibly require the snapshot.
As a rule of thumb 10% suffice, but this depends on the changes in the filesystem.
Since /usr is pretty static (and even could be mounted ro often) there won't be many changes.
From the lvs command above you can watch the filling up of the snapshot with the changes.
Once the snap_percent approaches 100% your snapshot is useless and can't be any longer used for recoveries.
Now you can safely run your command.
If something goes wrong, you simply mount the snapshot volume ro somewhere and run your restore.
Once you no longer need your snapshot simply lvremove it.
Last edited by buffoonix; 09-02-2008 at 06:03 AM..
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